Home / 634,829.32-876,104.24-348,350.16

Finding the Fourth Proportional to 634,829.32, 876,104.24 and 348,350.16

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Solution

The fourth proportional to 634,829.32, 876,104.24 and 348,350.16 is: 480,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,829.32 : 876,104.24 = 348,350.16 : x
  2. Step 2: Convert to fraction form
    634,829.32/876,104.24 = 348,350.16/x
  3. Step 3: Cross multiply
    634,829.32x = 876,104.24 × 348,350.16
  4. Step 4: Simplify right side
    634,829.32x = 305,191,052,180.68
  5. Step 5: Solve for x
    x = 305,191,052,180.68/634,829.32
  6. Step 6: Final answer
    x = 480,745.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.